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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package jdk.dio.atcmd;

/**
 * The {@code DataConnectionHandler} interface defines methods for handling connection state
 * changes.
 * <p />
 * A {@code DataConnectionHandler} should not throw any unchecked exception. A compliant
 * implementation of this specification MUST catch unchecked exceptions that may be thrown by a
 * {@code DataConnectionHandler}.
 * @since 1.0
 */
public interface DataConnectionHandler {

    /**
     * Invoked to handle a data connection when been closed.
     *
     * @param atDevice
     *            the {@code ATDevice} instance that has closed the connection.
     * @param connection
     *            the data connection.
     */
    void handleClosedDataConnection(ATDevice atDevice, DataConnection connection);

    /**
     * Invoked to handle a data connection when first opened.
     *
     * @param atDevice
     *            the {@code ATDevice} instance that has opened the connection.
     * @param connection
     *            the data connection.
     */
    void handleOpenedDataConnection(ATDevice atDevice, DataConnection connection);
}
